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2005 sti
hi am needing some advice...am gona decat my exhaust (turbo back.). my car has prodrive pack.is it only the down pipe I wil need to change or does centre nedd decat. Am sure up pipe is already decat... but could do with some advice. Car will be remapped soon as I get everything ready
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OK thanks will this blow up my turbo /ecu.lol. am probably going to get front mount intercooler also before remap
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Being an 05 is it a 2.0 blob or 2.5 hawk?
2.0 blob prodrive pack came with a sportcat and 2nd cat delete. 2.5 has standard cat and 2nd cat delete |
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2005 blobeye👍.... so i only need decat downpipe? Then remap I will have to drive car to get remap so stay off boost??? Car has prodrive ecu etc.is it essential to get remap?
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OK thanks m8👍
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if its a blob then its a false economy to replace the PPP sportcat as very little is gained going full decat on it, and at least you wont have any MOT issues
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Originally Posted by sivo
(Post 12077483)
The first cat is the most restrictive part of a Subaru exhaust system, I would have to disagree with you when you say little is gained.
Each to their own though. https://www.scoobynet.com/wanted-18/...e-06-07-a.html Siv :thumb: on a 2.0 PPP there is not a lot of difference between a decat & sportcat at that level of tuning, hence i would advise him not to bother - better still he may as well speak to his mapper to discuss the worths & his overall plan, with OP being based in scotland i assume will be Andy Forrest. |
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Yea I emailed Andy forrest he can achieve 350 bhp as car is now. With low/high boost also launch control option😊
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yea will be Andy that remaps.... I emailed him a while back as car is now he can achieve 350 bhp with ......low/high boost and also launch control option😊
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Its all good I appreciate all opinions n comments👍
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Originally Posted by sivo
(Post 12077488)
Wow.
I was just trying to help. Sorry. not arguing, not dick swinging or owt - just stating that PPP sportcat flows very well without the need to replace for a decat - i assumed with him being a new member he had just heard it had a cat and thought ahh get it out asap. everybody wins - all the info is on here now :) |
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Aye a can feel it being restricted mainly in 2 nnd n 3rd gear
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So the plan is to get decat down pipe then remap by any forrest..... am still gona run tmic I think .... are fmic worth the hassle ??
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Originally Posted by itch202
(Post 12077511)
So the plan is to get decat down pipe then remap by any forrest..... am still gona run tmic I think .... are fmic worth the hassle ??
personally I like the look of a front mount on a car but that's just me,I had mine sprayed silver so it was visible. Spool up time will be slightly slower with a front mount. nothing wrong with having one at your level it's just not needed that's all unless you are tracking the car. |
Aye will probably keep tmic if I can get car up to 340/350bhp al.be a happy man🤣
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Originally Posted by sivo
(Post 12077506)
I had two maps done by Bob Rawle on a rebuilt and forged 2003 Wrx Sti PPP with a VF43 turbo.
Map 1 PPP system 301 bhp Map 2 Hayward and Scott full 3” decat system 343 bhp. In Bobs words not mine, it’s more than likely your prodrive cat is causing your restriction. He was right, and 42 bhp is quite a big difference in my opinion, it was a totally different car with the decat. Im not sure if Bob is still on here but I think he knows a thing or two about Subaru tuning. No argument here and definitely no willy waving with my little acorn. Siv :thumb: @itch202 wouldnt bother with a FMIC either unless you pick up a decent one for handy money |
😂😂😂👍.cheers for all ur help lads al stick wi tmic let u know how I get on wi remap
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I was running around 400bhp back in the days with a sti top mount and the AFR was not looking to good on sunny days 320/340 was fine though:thumb:.SJ.
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